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MAGNACHIP SEMICONDUCTOR Corp
$4.12 -0.39 (-8.65%) At close · Jul 2
Market Cap
$150.14M
Shares
36,440,854

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 70
Total Value: $54,386,113
Total Shares: 19,423,621

Institutional Ownership Trend

25 quarters

Superinvestors Holding MX

All superinvestors →
Howard Marks $7,979,602 Prem Watsa $350,000

Holder Concentration

Across 70 13F filers · Δ vs Dec 31, 2025
Top Holder
14.7%
Jun 2023 → Mar 2026 · range 9.6% – 14.7%
−0.0 pts
Top 5
44.9%
Jun 2023 → Mar 2026 · range 35.1% – 48.4%
−1.1 pts
Top 10
65.2%
Jun 2023 → Mar 2026 · range 51.7% – 65.8%
+1.3 pts
HHI
586
Jun 2023 → Mar 2026 · range 379 – 605
Broadly held+6

Quarterly Activity

vs Dec 31, 2025
New
13
Increased
19
Decreased
22
Sold Out
13
Unchanged
16
Holder count: 0
Institutional value: +9.9%
Shares held: +0.0%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega TWO SIGMA INVESTMENTS, LP +259,170 571,834
Mid BOOTHBAY FUND MANAGEMENT, LLC +180,198 207,206
Mid PRELUDE CAPITAL MANAGEMENT, LLC +152,000 403,627
Mega AMERIPRISE FINANCIAL INC +132,697 1,583,589
Micro Cygnus Capital Advisors, LLC +123,176 733,954

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Small IMMERSION CORP −495,426 1,383,402
Mid Clearline Capital LP −346,446 1,114,590
Mega DIMENSIONAL FUND ADVISORS LP −278,753 549,106
Small Polunin Capital Partners Ltd −278,137 57,011
Mega GOLDMAN SACHS GROUP INC −220,174 200,643

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Small FourWorld Capital Management LLC 1,657,701 $4,641,562
Large Connor, Clark & Lunn Investment Management Ltd. 96,720 $270,816
Large RENAISSANCE TECHNOLOGIES LLC 35,500 $99,400
Small AXQ CAPITAL, LP 32,444 $90,843
Large HRT FINANCIAL LP 19,148 $53,614

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 239,694 $611,219
Large TWO SIGMA ADVISERS, LP 237,938 $606,741
Mid KENNEDY CAPITAL MANAGEMENT LLC 106,804 $272,350
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 101,907 $259,862
Mid XTX Topco Ltd 25,383 $64,726
Filter: New 13 Increased 19 Reduced 22 Sold out 13 Unchanged 16
Showing 73 of 73
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mid OAKTREE CAPITAL MANAGEMENT LP $7,979,602 14.67% 2,849,858
Small FourWorld Capital Management LLC $4,641,562 8.53% 1,657,701
Mega AMERIPRISE FINANCIAL INC $4,434,049 8.15% 1,583,589
Small IMMERSION CORP $3,873,525 7.12% 1,383,402
Large MARSHALL WACE, LLP $3,484,941 6.41% 1,244,622
Mid Clearline Capital LP $3,120,852 5.74% 1,114,590
Small FIRST WILSHIRE SECURITIES MANAGEMENT INC Broker-Dealer $2,083,068 3.83% 743,953
Micro Cygnus Capital Advisors, LLC $2,055,071 3.78% 733,954
Mega MORGAN STANLEY $1,989,243 3.66% 710,444
Large ACADIAN ASSET MANAGEMENT LLC $1,810,715 3.33% 646,684
Mega TWO SIGMA INVESTMENTS, LP $1,601,135 2.94% 571,834
Large STATE OF WISCONSIN INVESTMENT BOARD $1,561,327 2.87% 557,617
Mega DIMENSIONAL FUND ADVISORS LP $1,537,496 2.83% 549,106
Mid PRELUDE CAPITAL MANAGEMENT, LLC $1,130,155 2.08% 403,627
Small Potomac Capital Management, Inc. $1,022,000 1.88% 365,000
Mega BNP PARIBAS ARBITRAGE, SA $922,230 1.70% 329,368
Mega MILLENNIUM MANAGEMENT LLC $820,232 1.51% 292,940
Mid GSA CAPITAL PARTNERS LLP $785,845 1.44% 280,659
Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC $654,906 1.20% 233,895
Small SILVERBACK ASSET MANAGEMENT LLC $616,000 1.13% 220,000
Mid ODDO BHF ASSET MANAGEMENT SAS $602,274 1.11% 215,098
Mega BlackRock, Inc. $584,057 1.07% 208,592
Mid BOOTHBAY FUND MANAGEMENT, LLC $580,176 1.07% 207,206
Mega GOLDMAN SACHS GROUP INC $561,800 1.03% 200,643
Large Steward Partners Investment Advisory, LLC $551,605 1.01% 197,002
Mega UBS Group AG $513,648 0.94% 183,446
Mega D. E. Shaw & Co., Inc. $446,896 0.82% 159,606
Mega JPMORGAN CHASE & CO $353,712 0.65% 126,326
Mid FAIRFAX FINANCIAL HOLDINGS LTD/ CAN $350,000 0.64% 125,000
Large GABELLI FUNDS LLC $327,045 0.60% 116,802
Small Yakira Capital Management, Inc. $274,400 0.50% 98,000
Large Connor, Clark & Lunn Investment Management Ltd. $270,816 0.50% 96,720
Large Point72 Asset Management, L.P. $263,785 0.49% 94,209
Mega CITADEL ADVISORS LLC $246,607 0.45% 88,074
Small GABELLI & Co INVESTMENT ADVISERS, INC. $216,930 0.40% 77,475
Mega AMERICAN CENTURY COMPANIES INC $203,400 0.37% 72,643
Large Eurizon Capital SGR S.p.A. $198,643 0.37% 70,944
Mid ALGERT GLOBAL LLC $164,346 0.30% 58,695
Small Polunin Capital Partners Ltd $159,630 0.29% 57,011
Mega JANE STREET GROUP, LLC $139,352 0.26% 49,769
Small ALTFEST L J & CO INC $133,865 0.25% 47,809
Large Centiva Capital, LP $121,441 0.22% 43,372
Large RENAISSANCE TECHNOLOGIES LLC $99,400 0.18% 35,500
Small AXQ CAPITAL, LP $90,843 0.17% 32,444
Mega STATE STREET CORP $79,511 0.15% 28,397
Large Federation des caisses Desjardins du Quebec $68,420 0.13% 24,436
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $68,180 0.13% 24,350
Mid Jump Financial, LLC $67,547 0.12% 24,124
Mid GROUP ONE TRADING LLC $66,264 0.12% 23,666
Mid Quadrature Capital Ltd $53,673 0.10% 19,169
Large HRT FINANCIAL LP $53,614 0.10% 19,148
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $44,520 0.08% 15,900
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $39,200 0.07% 14,000
Mega HSBC HOLDINGS PLC $36,671 0.07% 13,097
Large PRUDENTIAL FINANCIAL INC $35,560 0.07% 12,700
Large Cetera Investment Advisers $34,630 0.06% 12,368
Mega LPL Financial LLC $33,409 0.06% 11,932
Mega CITADEL ADVISORS LLC $33,040 0.06% 11,800
Small SEVEN MILE ADVISORY $28,484 0.05% 10,173
Large OSAIC HOLDINGS, INC. $20,140 0.04% 7,193
Mega BARCLAYS PLC $16,189 0.03% 5,782
Small NFSG Corp $13,230 0.02% 4,725
Mega ROYAL BANK OF CANADA Bank $5,415 0.01% 1,934
Mid SBI Securities Co., Ltd. Broker-Dealer $2,956 0.01% 1,056
Large JONES FINANCIAL COMPANIES LLLP $2,800 0.01% 1,000
Mid Advisory Services Network, LLC $1,400 0.00% 500
Mid Tower Research Capital LLC (TRC) $1,226 0.00% 438
Mid SALEM INVESTMENT COUNSELORS INC $840 0.00% 300
Mid SIMPLEX TRADING, LLC $411 0.00% 147
Mega FMR LLC $103 0.00% 37
Large CWM, LLC $42 0.00% 15
Large NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO $8 0.00% 3
Small Caitong International Asset Management Co., Ltd $5 0.00% 2
Key facts CIK 1325702 CUSIP 55933J203 Visit website Investor relations

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